21927724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 47755008

約数和(自身を除く): 25827284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 563, 749, 1126, 1391, 1498, 2252, 2782, 2996, 3941, 5564, 7319, 7882, 9737, 14638, 15764, 19474, 29276, 38948, 51233, 60241, 102466, 120482, 204932, 240964, 421687, 783133, 843374, 1566266, 1686748, 3132532, 5481931, 10963862, 21927724]

約数ペア:

[(1, 21927724), (2, 10963862), (4, 5481931), (7, 3132532), (13, 1686748), (14, 1566266), (26, 843374), (28, 783133), (52, 421687), (91, 240964), (107, 204932), (182, 120482), (214, 102466), (364, 60241), (428, 51233), (563, 38948), (749, 29276), (1126, 19474), (1391, 15764), (1498, 14638), (2252, 9737), (2782, 7882), (2996, 7319), (3941, 5564)]